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材料清单
Item Part Number Part Value Qty Mfr. Description
---- ----------- -------------- --- ---------- ----------------------------
1 U1 AT90S8515 1 Atmel AVR micro-controller
2 U2 PST600J 1 Mitsumi Reset generator
3 U3 MAS3507D 1 Micronas MP3 decoder
4 U4 DAC3550A 1 Micronas Audio D/A converter
5 Q1 2SA1300 1 Toshiba Low saturation, high hfe
---- ----------- -------------- --- ---------- ----------------------------
6 Q2,Q3,Q4 RN1205 3 Toshiba With built-in resisters
7 D1 1GWJ42 1 Toshiba Typical shottky diode
8 D2,D3,D4 1SS319 3 Toshiba Typical swiching diode
9 D5 NSPG320BS 1 Nichia Super high bright
10 Y1 CST6.00MGW 1 Murata Ceramic resonator w/caps
---- ----------- -------------- --- ---------- ----------------------------
11 Y2 14.725MHz 1 Crystal resonator
12 C1 470uF 1 Alminium
13 C2 330uF 1 Low ESR, OS-CON
14 C3,C4,C7 4.7uF 3 Tantalum
15 C5,C6 220uF 2 Alminium
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16 C8,C12,C18, 100nF 6 Chip sized ceramic
C19,C20,C21
17 C9,C10 470pF 2 Chip sized ceramic
18 C15,C16,C11 1nF 3 Chip sized ceramic
19 C17 10nF 1 Chip sized ceramic
20 C13,C14 22pF 2 Chip sized ceramic
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21 L1 22uH (1A) 1 Low resistance
22 L2,L3 10uH 2 Axial leaded
23 R1,R4,R5,R6, 10k 14 Chip sized
R7,R8,R9,
R10,R14,R16,
R17,R18,R19,
R28
24 R2 300 1 Chip sized
25 R3,R12,R26 100k 3 Chip sized
---- ----------- -------------- --- ---------- ----------------------------
26 R11 18k 1 Chip sized
27 R15 3.3k 1 Chip sized
28 R20,R21,R24, 1.5k 5 Chip sized
R25,R30
29 R13 680 1 Chip sized
30 R27 68k 1 Chip sized
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31 R22,R23 47 2 Chip sized
32 SW1,SW2,SW3, B3F-3100 6 Omron Push button switch
SW4,SW5,SW6
33 P1 HEC3300-01-020 1 Hoshiden DC jack (Voltage class 1)
34 P2 22pin header 1
35 P3 HSJ0887-01-510 1 Hoshiden 3.5Dia stereo jack
---- ----------- -------------- --- ---------- ----------------------------
36 P4 6pin header 1
37 P5 B2B-EH 1 JST
38 CN015R-3113-0 1 Yamaichi SmartMedia socket
39 Battery Box 1
数据存储用的是通用闪存卡(SmartMedia),广泛用于数码相机、MP3。见下图
最新版firmware (Aug 14,'00: R0.93) 包含源文件
syyyd- (2).zip
(54.96 KB, 下载次数: 35)
syyyd- (1).zip
(37.9 KB, 下载次数: 36)
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